Merge remote-tracking branch 'Upstream/develop' into develop-32

ChangeLog

dev/skeletons/skeleton_page.php

htdocs/api/admin/api.php

htdocs/api/class/api.class.php

htdocs/api/class/api_access.class.php

htdocs/categories/categorie.php

htdocs/comm/action/card.php

htdocs/comm/action/class/actioncomm.class.php

htdocs/comm/card.php

htdocs/comm/list.php

htdocs/comm/prospect/list.php

htdocs/core/class/commondocgenerator.class.php

htdocs/core/class/html.formprojet.class.php

htdocs/core/lib/pdf.lib.php

htdocs/core/modules/commande/doc/pdf_einstein.modules.php

htdocs/core/modules/commande/doc/pdf_proforma.modules.php

htdocs/core/modules/contract/doc/pdf_strato.modules.php

htdocs/core/modules/expedition/doc/pdf_merou.modules.php

htdocs/core/modules/expedition/doc/pdf_rouget.modules.php

htdocs/core/modules/facture/doc/pdf_crabe.modules.php